UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dlpQ3UTQREWKc/+d4e+l263wut3Z1x8MzGQ/v0yY+uc=' 
WHERE 
  key_id = 'c338cd132aeb27238399f6c86a3e0b83c1f1e87f8a6b8e56917c880159a384f9' 
  AND (
    token = 'dlpQ3UTQREWKc/+d4e+l263wut3Z1x8MzGQ/v0yY+uc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )